What is CVE-2018-5727?

CVE-2018-5727 is a medium-severity vulnerability in Uclouvain Openjpeg, classified under Integer Overflow or Wraparound. CVSS score: 6.5/10. Published 2018-01-16.

How severe is CVE-2018-5727?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Is CVE-2018-5727 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Integer overflow in Uclouvain Openjpeg

CVE-2018-5727

In OpenJPEG 2.3.0, there is an integer overflow vulnerability in the opj_t1_encode_cblks function (openjp2/t1.c). Remote attackers could leverage this vulnerability to cause a denial of service via a crafted bmp file.

Vulnerability class: Integer Overflow

EPSS: 0.019 (77.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Uclouvain Openjpeg — versions 2.3.0
N/a — versions n/a

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound

Public proof-of-concept exploits

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2018-5727?: CVE-2018-5727 is a medium-severity vulnerability in Uclouvain Openjpeg, classified under Integer Overflow or Wraparound. CVSS score: 6.5/10. Published 2018-01-16.
How severe is CVE-2018-5727?: Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2018-5727 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.